Motor-car heater



June 5, 1928.

A. E. LINENDOLL MOTOR CAR HEATER Filed May 12, 1926 -62.".6 1191 I e: 11$: I g IIGI 1 61C O O O O O O O O O O O O O O O O-'O O (D O O 5 2: 14 {I O O (D O I OOO O O O L A u,

INVENTOR 118a E Linendoll ATTORNEY Patented June 5, 1928.

UNITED STATES PATENT OFFICE.

ASA E. LINENDOLL, OF NORWALK, OHIO.

MOTOR-CAR HEATER.

Application filed May 12,

This invention relates to motor car exhaust heaters, and more especially to heating mechanism including therein radiators in the limousine of the automobile to which pipes lead from the exhaust pipe of an internal combustion engine. It is an object of my improved structure to provide the radiating mechanism within the car with a shield completely enveloping the radiator tubing but spaced therefrom, and further provide spaced means between the shield and radiator for securely holding the latter against independent movement from any cause, thereby preventing effectually undesirable rattling of the parts when in use.

A further object of my improved heater mechanism lies in the provision of radiating means comprising separate entrance and exit tubes spaced for a portion of the distance within the radiator body and then communicating with a common chamber having deflecting devices on the inner surfaces of its walls for tending to direct the gases from one of these tubes throughout the interior of the radiator and thereafter return the same to the other or exit tube.

It is also an additional object of my improvement to mount the heater in fixed relation to some frame part of the car, and to do this by securing means connected to both the said shield and said spacing means, the latter being tightly held between the radiator and shield and a part of the fastening means holding together all three partsshield, spacer and radiator. The attainment of this object solves very accurately the mounting of the shield and radiator elements detachably upon the car frame and yetpermits separation of the parts for purposes of cleaning or repair.

Vith these and other objects in view, I have embodied my inventive idea in the construction and arrangement of parts later to be described, recited in the appended claims.

' and illustrated in the accompanying drawings, in which Figure 1 is a side elevation of the heater mechanism shown detached from other parts;

Figure 2 is an inverted plan view of the same;

Figure 3 is central, vertical, longitudinal section of the radiator structure;

Figure 4 is transverse section of the device taken in the plane indicated by the line 4W4 of Fig. 3, and

1926. Serial No. 108,533.

Figure 5 is a detail View showing the bolt and nut arrangement on the walls of the spacer and shield.

The numerals 5 and 6 indicate the inlet and outlet pipes, respectively, which are integral with the radiator body 7 which latter is designed to be mounted upon some frame part of the interior of a car in vertical position, such as fastened to the front part of the rear seat, or even connected to and parallel to the dash of an automobile. The present improvement is not specially concerned with the particular frame connection for the heater, it being only essential that suitable openings be made in the floor (usually) of the car through which the pipes 5 and 6 may be inserted.

Parts 5, 6 and 7 constitute a unitary structure usually cast or molded in halves of which one is shown in Fig. 3 of the drawings. In this structure a web 8 separates the parts 5 and 6 and projects inward for a short distance into the body 7 where it is at approximately right angles to the entrance end 9. About the body 7 and enclos ing the pipes 5 and 6, is a flange 10 provided for each of said halves, and these flanges, as well as the web 8 of each half, are welded together to form a leak-proof heater radiator.

Within the body 7 of the heater I provide baflles 11 which are L-shaped in cross section, one of the arms of each being secured in any suitable manner to the wall of one of the radiator members. They are so positioned at proper angles to the web and relative to each other, that in-coming gases from 5 will be directed with more or less certainty the length of said body and returned to the entrance 12 of the pipe 6. The practical effect of these baffles is to break up currents of gases tending to pass' more or less directly to the pipe 6 without reaching the far end 13 of the body. This avoids a dead air space at the end 13.

Over the radiator element I have provided an apertured shield 14 which is designed to be fitted over the radiator as a sort of hood serving to protect garments from direct contact with the radiator element though permitting air currents from the radiator out into the vehicle or other space to be heated. A great ditficulty has been experienced in the past in the use of radiator shields, especially when used in moving vehicles, because of the difficulty of,

disadvantages sleeves.

I of metal preferably forming loops '17 therein at a point on either side of the ,radiator as to very suitably contact the radiator there, 'and also thereby nov'idinga more or less flexible part that will yield somewhat when ve'ry unusual strain or pressure. is encountered. av'i'thout necessitating fracture. The

"lower ends "18'of -these straps 15 are apertjured to receive rtherethrough the bolts 19 about which are provided sleeves-2O to property space the sides of the shield adjacent its lower edges. The nuts 21 are .used to tighten the shield edge-s against the spacing There are two "of these straps 15 enclosing the ,ra'cliator, one being located preferably adj acentthe angle'22 between the body and pipe arms of the heater. Apert'ures 23 are also provided'through the shield pla'te'aiid through the flange ears 24 of the radiator for receivingthese'bolts'lQ, so that tightening the latter '.very.secnr ely fastens the shield, radiator an'ddntermediate straps together.

*Othe r'loops 17 maybe provided if desired, though'I have only shown those at'the p per portions ofthe radiator. About midway-the length of the traps Ihave provided an aperture (threaded) in each ai'nranfdflmve {further strengthened the same hy spot welding -theinuts'2 3'to.the.inner surface of the straps with their apertures registering with the strap apertures and with corresponding .apert-u tes in the wall of the shield. so thatfI may insert studs '26 (preferablydouble-end studs) through the shield, stiapan'd nut, and

thereby very securely anchoring the heater by such studs.

About the studs outsidejthe shield Ihave mounted sleevesj27ffor spacing the Wall o'f-the shield and strap from the part to .which; the heater is toJbeanchored.

At the ends-of thepipes'fi and-6,1 a strapelement 28 formed ofapair of straps each comprising; spaced semicircular,loops. the straps of'the pair being-spot. weldedtogether', or otherwise secured, at.the space portions 29, the two circular loops thus "formed being adapted to clamp the respective pipes/5 au'd'6 just belowthe lower edges "30 of. the fiangeslO. Theouter ends ,o'fthese straps have the usual ears 31 WltliSCIfGWsfiQ -for clamping the, pipe ends -and'thelfhy the .gas pipes'thereon.

The resulting constrnctionfrom the above- ,desoribed disclosure-of det i i i h ghly efficient radiator for heating a vehicle from the exhaust pipe of an internal combustion engine (mot shown). the same being well enclosed within a shield and securely held in "looked .qoosition therein, as well as securely fastened detachably to the proper member of the car in which it is used. It is light in weight, easily manufactured and thereby inexpensive, and readily assembled and dis assembled. The parts 25 are duplicated on the opposite side of theshie'l'd "from that in whichthe studs 26 are shownin the drawings. This enables heater to'he attached in opposite positions in-the car, and therefore renders it adaptable to the particular rangement in the car interior. By merely detaching studs 26 from one side of the shield. they can "be readily inserted in the corresponding apertures in parts-25. "15 and 1'4, and thereby connect the entire structure to the back seat of a ca'r,-to the back part ofthe forward seat, or 'to the dash in "front, as may be desired. The openings in ;the ear floor may be made to conform'to the position of the pipes 5 and 6.

\VhatfI claim and desire to secure by Letters"Patent is '1. In an exhaust-gas heater, -a hollow. L- shaped radiator'member one'ar n' ofuvhich has a closed end and an'interior unobstructed save for the provision of spaced brittlesthereim-andthe end of'the other arm com-prisingspaeed entrance and outlet pipes Whose spacing web-extends through said arm and slightly iinto the closed arm, the said haflles being suitably inclineld-to-the axis of ,the closed "arm to direct gases entering one pipeytotraverse the'length'ojtthe closed arm "and returmto-theother pipe.

'2. In a ,heater for motor propelled vehic'les. a hollow. radiator member. an err closing shield detaeha'bly fitted over said member from above, inv'ert-ed U shaped 'straps-intermediate.the member and shield for positioning the member in spaced rela- 'tion to the walls of the shield. bolts for drawing-the outer edges of the shield and .the ends of the straps together.therefbeing spacing sleeves onsaid'bolts between the ends of'the straps-to prevent'the latter-from approaching each otherfbeyond a fixed-limit. and.means-for=securing-the straps andshield to a part of a vehicle.

3. ,In an exhausbgas heater. a hollow,

*L= haped adiator member one arm of which has a closed end and an interior unobstructed .save for the 'n'ovision ofspaeed 'bafiles therein, and the end of the otherarrn comprising sileeed,.e ranq .nnd ut-le p p whose spacing web extends through saidarm and slightly "into the Cl sed .arm, the said ba le h ina u t b y in ned to -thea so the closed arm to direct gases entering one pipe to traverse thelength of the closed arm and return to the other pipe, an enclosing shield detachably fitted over said member from above, and means for securing said shield to a fixed part of the chamber to be heated.

4. In a. heater for motor propelled vehicles. an elongated radiator member, a shield enclosing said radiator member and having the form of an inverted-U in cross section. means for detachably securing the shield to the said member, an anchor strap having the form of an inverted-U and having apertured ends, positioned between the shield and member, there being bent loops in said strap for contacting positively either side of the member while other portions of the strap are in contact with the inner surface of the shield, means connected with said strap and shield for securing the heater as a unit to a fixed part of a vehicle.

5. In a heater for motor propelled vehicles, a radiator member comprising an elongated. hollow body portion closed at one end and having entrance and outlet pipes integral with and communicating with the body portion, the side walls of said member being welded together for a portion of its length intermediate their edges to provide a separating web between said pipes, the body portion of the member adjacent said closed end being unobstructed except by the provision of spaced battles therein to direct gases from one pipe toward the closed end and back to the other pipe, an apertured shield enclosing said member, and means for securing the member and shield to a fixed part of the vehicle.

6. In a heater for motor propelled vehicles, a radiator member comprising an elongated. hollow body portion having entrance and outlet pipes integral therewith, an apertured shield enclosing said member, an anchor strap having the form of an inverted-U and apertured ends, positioned between the shield and member, portions of said strap closely contacting the inner sur' faces of the walls of the shield and other portions being in the form of yielding loops contacting either side of the radiator member, and means for securing said strap and shield to a fixed part of the vehicle.

7. In a heater for motor propelled "ehicles. a radiat r member comprising an elongated. hollow body portion having entrance and outlet pipes integral therewith, an apertured shield enclosing said member, an anchor strap having the form of an inverted-U and having apertured ends positioned between the shield and member, loop portions of said strap contacting either side of said radiator member and other portions contacting the inner surfaces of the walls of said shield, means for positively spacing the ends of the strap and the edges of the shield apart within certain limits and for securing the ends of the strap to the edges of the radiator member. and studs secured to said strap and shield having means for fastening securely the same to a part of the vehicle.

8. In a heater for motor propelled vehicles, a hollow radiator member, an enclosing shield detachably fitted over said member, means for attaching the shield to the member by yielding pressure exerted by the shield against the member, and means for interchangeable attachment to either side of the shield and radiator member for securing the heater as a unit to a fixed part of avehicle.

9. In a heater for motor propelled vehicles, an elongated radiator member, a shield having the form of an invertedU in cross section enclosing said member, means intermediate the member and shield for holding the member in spaced relation between the walls of the shield, and studs interchangeably connected to either side of the holding means and shield and provided with means for fastening securely the same to a part of a vehicle.

10. In a heater for motor propelled Vehicles, an elongated radiator member, a shield having the form of an inverted-U in cross section enclosing the member, an anchor strap having the form of an inverted-U and having apertured ends positioned between the shield and member, there being threaded apertures at intermediate portions of said strap on opposite sides of the member and corresponding apertures in the walls of the shield, threaded nuts welded to the inner surfaces of the strap in registry with the said apertures in the strap and shield walls, means inserted in the end apertures of the strap for securing the strap and shield to the radiator member. and studs adapted to be secured in said apertures in the intermediate portions of the strap and shield walls and in said nuts, the studs being proided with means for securing the shield, and thereby the strap and radiator member, to a fixed. part of a vehicle.

In witness whereof I have hereunto set my hand this 8th day of May, 1926.

ASA E. LINENDOLL. 

